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California Proposition 71 (2004)
By: Ceara O'Brien
| Published: Apr 03, 2014
The California Stem Cell Research and Cures Act, also called Proposition 71, was a ballot initiative proposed by California voters in 2004 to…
LawStem cells--Research--Religious aspects--ChristianityStem cells--Research--Moral and ethical aspectsEmbryonic stem cells--Research--Law and legislationEmbryo Research
Andrew Francis Dixon (1868-1936)
By: S. Alexandra Aston
| Published: Apr 01, 2014
Andrew Francis Dixon studied human anatomy and egg cells at the turn of the twentieth century in Ireland and Great Britain. Dixon studied the sensory…
Nerves, CranialPolar BodiesMeiosis
"Ethical Issues in Human Stem Cell Research: Executive Summary" (1999), by the US National Bioethics Advisory Commission
By: Ceara O'Brien
| Published: Apr 01, 2014
Ethical Issues in Human Stem Cell Research: Executive Summary was published in September 1999 by The US National Bioethics Advisory Commission in…
LiteraturebioethicsStem cells--ResearchEmbryonic Stem CellsStem Cells
US Regulatory Response to Thalidomide (1950-2000)
By: Chanapa Tantibanchachai
| Published: Apr 01, 2014
Thalidomide, a drug capable of causing fetal abnormalities (teratogen), has caused greater than ten thousand birth defects worldwide since its…
ContextThalidomideThalidomide--Side effectsTeratogenicity testingMultiple Myeloma
The Role of the Notch signaling pathway in Somitogenesis
By: Justin M. Wolter
| Published: Mar 23, 2014
Among other functions, the Notch signaling pathway contributes to the development of somites in animals. It involves a cell signaling mechanism with…
Notch genesNotch ProteinsReceptors, NotchNotch Receptors
Social Implications of Non-Invasive Blood Tests to Determine the Sex of Fetuses
By: Ceara O'Brien
| Published: Mar 23, 2014
By 2011, researchers in the US had established that non-invasive blood tests can accurately determine the gender of a human fetus as early as seven…
ContextDiagnostic sex determinationSex PreselectionFetusSex Determination Analysis
Lynn Petra Alexander Sagan Margulis (1938-2011)
By: Dorothy Regan Haskett
| Published: Mar 23, 2014
Lynn Petra Alexander Sagan Margulis was an American biologist, whose work in the mid-twentieth century focused on cells living together in a mutually…
Eukaryotic cellsMitosissymbiosisMitochondriaMicroorganisms--Evolution
George Wells Beadle (1903-1989)
By: Divyash Chhetri
| Published: Mar 14, 2014
George Wells Beadle studied corn, fruit flies, and funguses in the US during the twentieth century. These studies helped Beadle earn the 1958 Nobel…
Beadle, George Wells, 1903-1989Genetics
Frank Rattray Lillie's Study of Freemartins (1914-1920)
By: Mary Drago
| Published: Mar 14, 2014
Frank Rattray Lillie's research on freemartins from 1914 to 1920 in the US led to the theory that hormones partly caused for sex differentiation in…
Lillie, Frank Rattray, 1870-1947Intersexuality in animalsFreemartinismHormonesExperiments
The Singapore Bioethics Advisory Committee
By: Ceara O'Brien
| Published: Mar 14, 2014
Established in tandem with Singapore's national Biomedical Sciences Initiatives, the Bioethics Advisory Committee (BAC) was established by the…
OrganizationsSingaporeStem Cellsin vitroethics